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# Fraud Simulator Dataset
## Overview
This dataset contains synthetic insurance claims for fraud detection training and validation.
## Dataset Structure
### Files
- `claims_normal.csv` - Legitimate insurance claims
- `claims_fraudulent.csv` - Fraudulent insurance claims
- `claims_combined.csv` - Combined dataset with labels
- `metadata.json` - Dataset metadata and statistics
### Schema
**Claim Record:**
```json
{
"claim_id": "string",
"amount": "float",
"type": "string (auto|property|health|life)",
"claimant_id": "string",
"days_since_policy_start": "integer",
"claimant_history": {
"claim_count": "integer",
"avg_amount": "float",
"total_paid": "float"
},
"document_consistency_score": "float (0.0-1.0)",
"linked_suspicious_entities": "integer",
"label": "string (fraud|legitimate)"
}
```
## Fraud Patterns Included
1. **Staged Accidents**: Multiple claims with similar patterns
2. **Document Mismatch**: Inconsistent documentation
3. **Early Claims**: Claims filed shortly after policy inception
4. **Amount Inflation**: Claims significantly above average
5. **Entity Networks**: Connected suspicious entities
6. **High Frequency**: Repeated claims from same claimant
## Dataset Statistics
- **Total Claims**: 10,000
- **Fraudulent**: 2,500 (25%)
- **Legitimate**: 7,500 (75%)
- **Claim Types**: Auto (40%), Property (30%), Health (20%), Life (10%)
- **Average Claim Amount**: $5,000
- **Date Range**: 2020-2026
## Usage
This dataset is used for:
- Model training and validation
- Fraud pattern simulation
- Stress testing
- Drift scenario testing
- Performance benchmarking
## Data Quality
- No missing values
- Balanced across claim types
- Realistic fraud patterns based on industry data
- Regular updates with new fraud patterns
## Privacy
All data is synthetic and does not contain real PII.
## License
For internal use only. Part of BDR-Agent-Factory ecosystem.
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